fish
Our editors will review what you’ve submitted and determine whether to revise the article.
- Harvard T.H. Chan School of Public Health - Fish: Friend or Foe?
- National Center for Biotechnology Information - PubMed Central - Fish as food: aquaculture’s contribution
- Animal Corner - Fish
- University of Hawaiʻi at Mānoa - Exploring Our Fluid Earth - What is a Fish?
- A-Z Animals - Fish
- Healthline - Eleven Evidence-Based Health Benefits of Eating Fish
- Key People:
- David Starr Jordan Louis Agassiz Eugenie Clark Constantine Samuel Rafinesque Étienne de La Ville-sur-Illon, comte de Lacépède
- Related Topics:
- chondrichthyan eel lungfish shark agnathan
What is a fish?
How do fish sleep?
How do fish hear?
fish, any of approximately 34,000 species of vertebrate animals (phylum Chordata) found in the fresh and salt waters of the world. Living species range from the primitive jawless lampreys and hagfishes through the cartilaginous sharks, skates, and rays to the abundant and diverse bony fishes. Most fish species are cold-blooded; however, one species, the opah (Lampris guttatus), is warm-blooded. The term fish is applied to a variety of vertebrates of several evolutionary lines. It describes a life-form rather than a taxonomic group. As members of the phylum Chordata, fish share certain features with other vertebrates. These features are gill slits ...(100 of 15612 words)